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US3425205A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for strand quality control in rotary spinning chambers

Assignee: Rieter Ingolstadt GmbH
•
Filing: 1967-11-14
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Granted: 1969-02-04
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Expires: 1987-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 Hans Landwehrkamp
  • 👤 Franz Schreyer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 01:00
CPC Classifications
D; D01; D01H; D01H4/00; D01H4/48; D01H4/50

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3119223A Cited
US3375649A Cited
US3339359A Cited
US3334479A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-02-04 1972-08-05 1973-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-02-04 1976-08-05 1977-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-02-04 1980-08-05 1981-02-04 $7700.00 Window Closed / Lapsed

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